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CVE-2011-2189 · cross-distro fix matrix

CVE-2011-2189: net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2011-2189 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • vsftpd→ fixed in2.3.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y vsftpd

Debian bookworm

Source: Debian Security Tracker

  • vsftpd→ fixed in2.3.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y vsftpd

Debian trixie

Source: Debian Security Tracker

  • vsftpd→ fixed in2.3.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y vsftpd
Are YOU affected by CVE-2011-2189?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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